WHAT IT ANSWERS
这张表适合回答什么
- 按标的和时间检索事件或原文
- 与行情联接研究事件前后反应
DATASET · event
event.short_volume_daily
这是公告、新闻与可交易事件中的“美国每日做空成交明细”数据集;一行由 ticker、trade_date、source 定位,主要字段包括 short_volume、total_volume、short_volume_ratio、exempt_volume、non_exempt_volume。
trade_dateWHAT IT ANSWERS
GRAIN & TIME
KEY FIELDS
trade_datetickersourceRECOMMENDED JOINS
ref.calendaron market + trade_date(有 market 时)需要计算交易日偏移时联接交易日历;无 market 字段时先确定适用市场。
HOW TO QUERY SAFELY
先用 catalog 确认当前契约;可按 catalog 中列出的 filters 进一步缩小范围;单页最多 5000 行,响应有 has_more 时原样传回 next_cursor 继续分页。
MACHINE CONTRACT
ticker, trade_date, sourceticker, trade_date, sourcecanonical_final_activeprovider→ provider · stringsource→ source · stringticker→ ticker · stringtrade_date→ trade_date · stringPOINT IN TIME
该资产没有 PIT 契约。普通 rows 端点仍按当前公开读模式返回数据;不要把它表述成历史时点快照。
COPY-READY CALLS
同一数据集可用 HTTP、Python SDK、CLI 或 MCP;Key 始终只通过环境变量/Bearer Header 传递。
curl --fail-with-body -H "Authorization: Bearer $FRIENDS_DATA_API_KEY" "https://api.alphahubs.uk/api/v1/data/datasets/event/short_volume_daily/rows?limit=100&provider=PROVIDER_VALUE"from friends_data_api import FriendsDataClient, Settings
async with FriendsDataClient(Settings.from_env()) as client:
page = await client.get_dataset_rows('event', 'short_volume_daily', limit=100, filters={'provider': 'PROVIDER_VALUE'})
print(page.data)
if page.has_more:
print("next cursor:", page.next_cursor)friends-data get-dataset-rows event short_volume_daily --limit 100 --filter provider=PROVIDER_VALUE{
"arguments": {
"dataset": "short_volume_daily",
"filters": {
"provider": "PROVIDER_VALUE"
},
"limit": 100,
"namespace": "event"
},
"tool": "get_dataset_rows"
}FIELD DICTIONARY
descriptionSource 可在 JSON 中区分仓库注释、标准术语表和名称推导说明。
| # | 字段 | ClickHouse 类型 | JSON | 可空 | 角色 | 说明 |
|---|---|---|---|---|---|---|
| 1 | ticker | String | string | no | filter, default_order, warehouse_primary_key, contract_unique_key | Ticker symbol reported by the source or mapped security master.标准术语表 |
| 2 | trade_datedate | Date | string / date | no | time, filter, default_order, warehouse_primary_key, contract_unique_key | Trading-session date in the dataset's market calendar.标准术语表 |
| 3 | short_volume | Nullable(Float64) | number | yes | value | Quantity for short volume.名称推导 |
| 4 | total_volume | Nullable(Float64) | number | yes | value | Quantity for total volume.名称推导 |
| 5 | short_volume_ratioratio | Nullable(Float64) | number | yes | value | Ratio value for short volume ratio.名称推导 |
| 6 | exempt_volume | Nullable(Float64) | number | yes | value | Quantity for exempt volume.名称推导 |
| 7 | non_exempt_volume | Nullable(Float64) | number | yes | value | Quantity for non exempt volume.名称推导 |
| 8 | nyse_short_volume | Nullable(Int64) | integer | yes | value | Quantity for nyse short volume.名称推导 |
| 9 | nyse_short_volume_exempt | Nullable(Int64) | integer | yes | value | Source-normalized field: nyse short volume exempt.名称推导 |
| 10 | nasdaq_carteret_short_volume | Nullable(Int64) | integer | yes | value | Quantity for nasdaq carteret short volume.名称推导 |
| 11 | nasdaq_carteret_short_volume_exempt | Nullable(Int64) | integer | yes | value | Source-normalized field: nasdaq carteret short volume exempt.名称推导 |
| 12 | nasdaq_chicago_short_volume | Nullable(Int64) | integer | yes | value | Quantity for nasdaq chicago short volume.名称推导 |
| 13 | nasdaq_chicago_short_volume_exempt | Nullable(Int64) | integer | yes | value | Source-normalized field: nasdaq chicago short volume exempt.名称推导 |
| 14 | adf_short_volume | Nullable(Int64) | integer | yes | value | Quantity for adf short volume.名称推导 |
| 15 | adf_short_volume_exempt | Nullable(Int64) | integer | yes | value | Source-normalized field: adf short volume exempt.名称推导 |
| 16 | publish_tsUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | provenance | UTC point-in-time availability timestamp used by PIT reads.标准术语表 |
| 17 | source_tsUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | provenance | Timestamp asserted by the upstream source.标准术语表 |
| 18 | ingested_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | provenance | UTC timestamp when the source record entered the warehouse.标准术语表 |
| 19 | source | LowCardinality(String) | string | no | filter, default_order, warehouse_primary_key, contract_unique_key, provenance | Normalized upstream source identifier.标准术语表 |
| 20 | provider | LowCardinality(String) | string | no | filter, provenance | Upstream data provider identifier.标准术语表 |
| 21 | source_url | String | string | no | provenance | URL of the upstream evidence or record when distributable.标准术语表 |
| 22 | source_record_id | String | string | no | provenance | Provider-side identifier for the source record.标准术语表 |
| 23 | raw_payload_hash | String | string | no | provenance | Opaque fingerprint of the normalized source payload for provenance checks.标准术语表 |
| 24 | parser_version | LowCardinality(String) | string | no | provenance | Version of the parser or normalizer that produced the row.标准术语表 |
| 25 | quality_status | LowCardinality(String) | string | no | provenance | Machine-readable data-quality classification.标准术语表 |
| 26 | license_scope | LowCardinality(String) | string | no | provenance | License or redistribution scope attached to the row.标准术语表 |
| 27 | visibility_tier | LowCardinality(String) | string | no | provenance | Serving visibility tier attached to the row.标准术语表 |
| 28 | ingest_run_id | String | string | no | provenance | Identifier of the ingestion run that produced the row.标准术语表 |
| 29 | version | UInt64 | integer | no | provenance | Monotonic row version used for correction-aware reads.标准术语表 |
| 30 | version_tsUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | provenance | UTC timestamp associated with the row version.标准术语表 |
| 31 | is_deleted | UInt8 | integer | no | value | Soft-delete marker; public serving excludes current tombstones.标准术语表 |
| 32 | created_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | value | UTC timestamp when the warehouse row was first created.标准术语表 |
| 33 | updated_atUTC_datetime | DateTime64(3, 'UTC') | string / date-time | no | value | UTC timestamp when the warehouse row was last updated.标准术语表 |
换一个字段名、类型或角色。
结构来自 Friends 只读身份可见的真实 serving relation;权限、过滤、排序、PIT 与分页来自可执行 DatasetSpec。Schema observed at 2026-10-06T18:08:52Z。